345045 has 8 divisors (see below), whose sum is σ = 552096. Its totient is φ = 184016.

The previous prime is 345041. The next prime is 345047. The reversal of 345045 is 540543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345045 - 2² = 345041 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11487 + ... + 11516.

It is an arithmetic number, because the mean of its divisors is an integer number (69012).

2³⁴⁵⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

345045 is a deficient number, since it is larger than the sum of its proper divisors (207051).

345045 is a wasteful number, since it uses less digits than its factorization.

345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23011.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 345045 is about 587.4053115184. The cubic root of 345045 is about 70.1388400846.

Adding to 345045 its reverse (540543), we get a palindrome (885588).

The spelling of 345045 in words is "three hundred forty-five thousand, forty-five".